System.DllNotFoundException: Unable to load DLL on window 2003

Question

I have c++ dll using in my c# project, It ran fine on my window xp machine, but when i copy my debug project on window 2003 server (x64), i received error below, can any one

Answer 1

Is lib.dll a 32-bit DLL? Your C# program will run on x64 natively but will be unable to load 32-bit DLLs. You can try changing the target CPU of the C# project to "x86" to force it to run under WOW64.